APPENDIX B MAINTENANCE ALLOCATION CHART (MAC)

APPENDIX A REFERENCES - TM-10-4320-226-14_301

TM-10-4320-226-14 Water Pumping Assembly Diesel Engine Driven Wheel Mounted 350 Gallons Per Minute (GPM) 275 Foot Head Models: 350 PAW Manual
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TM 10-4320-226-14 APPENDIX B MAINTENANCE ALLOCATION CHART (MAC) SECTION I. INTRODUCTION B.1 THE ARMY MAINTENANCE SYSTEM MAC. B.1.1 Introduction. This introduction (Section I) provides a general explanation of all levels of maintenance and repair functions authorized at various maintenance levels under the standard Army Maintenance System concept. B.1.2 Maintenance Allocation Chart Section II. The Maintenance Allocation Chart (MAC) in section II designates overall authority and responsibility for the performance of maintenance functions on the identified end item or component. The application of the maintenance functions to the end item or component will be consistent with the capacities and capabilities of the designated maintenance levels, which are shown on the MAC in column (4) as: Unit - includes two subcolumns, C (operator/crew) and O (unit) maintenance Direct support - includes an F subcolumn General support - includes an H subcolumn Depot - includes a D subcolumn B.1.3. Tools and Test Equipment Introduction. Section III lists the equipment (both special tools and common tool sets) required tools and test for each maintenance function as referenced from section II. B.1.4 Supplemental Instructions Introduction. Section IV contains supplemental instructions and explanatory notes for a particular maintenance function. B.2 MAINTENANCE FUNCTIONS. Maintenance functions are limited to and defined as follows: B.2.1 Inspect. To determine the serviceability of an item by comparing its physical, mechanical, and/or electrical characteristics with established standards through examination (e.g., by sight, sound, or feel). B.2.2 Test. To verify serviceability by measuring the mechanical, pneumatic, hydraulic, or electrical characteristics of an item and comparing those characteristics with prescribed standards. B.2.3 Service. Operations required periodically to keep an item in proper operating condition i.e., to clean (includes decontaminate, when required), to preserve, to drain, to paint, or to replenish fuel, lubricants, chemical fluids, or gases. B.2.4 Adjust. To maintain or regulate, within prescribed limits, by bringing into proper or exact position, or by setting the operating characteristics to specified parameters. B.2.5 Align. To adjust specified variable elements of an item to bring about optimum or desired performance. B-1

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